Zbyrowski, Zygmunt. “Pasternak and Mayakovsky. The History of an Acquaintanceship”. Studia Rossica Posnaniensia, no. 37 (June 19, 2018): 361–368. Accessed July 18, 2024. https://pressto.amu.edu.pl/index.php/strp/article/view/12812.